289314560

素因数分解:

$2^8\times 5^1\times {\mathrm{226027}}^1$

素因数の和:226048

約数の個数: 36

約数和(自身を含む): 693001848

約数和(自身を除く): 403687288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 226027, 452054, 904108, 1130135, 1808216, 2260270, 3616432, 4520540, 7232864, 9041080, 14465728, 18082160, 28931456, 36164320, 57862912, 72328640, 144657280, 289314560]

約数ペア:

[(1, 289314560), (2, 144657280), (4, 72328640), (5, 57862912), (8, 36164320), (10, 28931456), (16, 18082160), (20, 14465728), (32, 9041080), (40, 7232864), (64, 4520540), (80, 3616432), (128, 2260270), (160, 1808216), (256, 1130135), (320, 904108), (640, 452054), (1280, 226027)]